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Centrifugal dust removal device

A dust removal device and centrifugal technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of high energy consumption, long airflow rotation stroke, etc., and achieve low operating cost, short rotation stroke, and simple structure Effect

Active Publication Date: 2014-05-07
WISDRI ENG & RES INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although its dust removal efficiency for dust particles with a particle size greater than 30 μm can reach 90%, due to the long rotation stroke of the air flow, the resistance of the equipment reaches 1000Pa ~ 1500Pa, and the energy consumption is relatively high.

Method used

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  • Centrifugal dust removal device
  • Centrifugal dust removal device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The centrifugal dust removal device is composed of flue gas inlet pipe 1, banana bend dust collector 2, built-in scraper ash conveyor 3, scraper head 4, inspection hole 5, scraper tail 6, and flue gas outlet pipe 7 . The radius of curvature of the banana bend dust collector 2 is processed and shaped according to the value of 1.0 times the diameter of the flue gas inlet pipe 1 . In order to further achieve the purpose of achieving a dust removal efficiency of 95% or above, the flue gas velocity from both the flue gas inlet pipe and the flue gas outlet pipe can be controlled at 25m / s.

Embodiment 2

[0017] The centrifugal dust removal device is composed of flue gas inlet pipe 1, banana bend dust collector 2, built-in scraper ash conveyor 3, scraper head 4, inspection hole 5, scraper tail 6, and flue gas outlet pipe 7 . The radius of curvature of the banana bend dust collector 2 is processed and shaped according to the value of 1.05 times the diameter of the flue gas inlet pipe 1 . In order to further achieve the purpose of achieving a dust removal efficiency of 95% or above, the flue gas velocity from the flue gas inlet pipe and the flue gas outlet pipe can also be controlled at 26m / s.

Embodiment 3

[0019] The centrifugal dust removal device is composed of flue gas inlet pipe 1, banana bend dust collector 2, built-in scraper ash conveyor 3, scraper head 4, inspection hole 5, scraper tail 6, and flue gas outlet pipe 7 . The radius of curvature of the banana bend dust collector 2 is processed and shaped according to the value of 1.1 times the diameter of the flue gas inlet pipe 1 . In order to further achieve the purpose of dust removal efficiency of 95% or above, the flue gas flow velocity from the flue gas inlet pipe and the flue gas outlet pipe can also be controlled at 28m / s.

[0020] For the convenience of maintenance and the protection of the body of the maintenance personnel, the inspection holes 5 on the built-in scraper conveyor 3 are increased to 3-4.

[0021] It should be noted that the examples are merely examples.

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Abstract

The invention relates to a centrifugal dust removal device which comprises a smoke inlet pipe, a banana bending dust remover, an inspection manhole, a dust delivery machine with a built-in scraping plate, a head of a scraper, a self-balance type inspection hole, a tail part of the scraper and a smoke outlet pipe, and is characterized in that the curvature radius of the banana bending dust remover is 1.0 to 1.2 times as large as the diameter of the smoke inlet pipe. The centrifugal dust removal device has the advantages that the rotation travel is short, the equipment resistance is only 200 Pa to 300 Pa, the efficiency of removing dust with the grain size larger than or equaling to 25 um in the smoke can be more than 95%, the structure is simple, and the operating cost is low.

Description

technical field [0001] The invention relates to a dust removal device, in particular to a centrifugal dust removal device. Background technique [0002] There are a large number of technological processes in iron and steel enterprises that produce dusty fumes and pollute the environment. In order to solve the problem of environmental pollution and make the emission meet the national standard, it must be dedusted. [0003] At present, conventional dust collectors include bag dust collectors, electrostatic dust collectors, gravity dust collectors and cyclone dust collectors. The conventional dust removal equipment currently used has problems such as high investment, large resistance, high operating cost, and low dust removal efficiency. The bag dust collector has a large resistance during operation, which leads to an increase in system energy consumption; the control program of the electrostatic precipitator is complicated, and the investment cost is high; for the gravity du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D45/16
Inventor 纪世昌王亮邵远敬盖东兴
Owner WISDRI ENG & RES INC LTD